Cultivator.



C. Bt CARLEY. CULTIVATOR. APPLICATION FILED IIINE z. 191e.

lavued Apr. 24, 1917.

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CHAIR/LES B. CARIJEY, OF ROCHESTER, MINNESOTA.

CULTIVATOR.

masses.

l appneatioa sied June a, 191e. serial No. 101,271.

To aXZ evwmz' may concern:

i Be. it known that I, CHARLES B. OARLEY a citizen of the United States,residing at Rochester, in .the eountyof Olmsted and State of Minnesota,have invented certain new and useful improvements in Oultivators; and Ido hereby declare the'follow;

ing to be a full, clear, 'and exact description f of the invention, suchas willl enable others.

skilled in the art to whichv it appertains to makeand use the same.

r`My invention relates to-improvements in cultivators, and particularlyto wheelstraddle-row cultiva-tors; and, to this end, generally stated,it consists of the novel devices and combinations of devices hereinafterdescribed and defined in tire claims. y

in the accompanying drawings,l which illustrate the invention, likecharacters indicate like parts throughout the `-several views.

Referring to the drawings,

Figure 1 is a view of the improved culti-- vator in longitudinal centralsection taken onthe irregular line w1 x1 of Fig. 2, some parts beingshown in different positions by means of broken lines;

Fig. 2."is a View, partly in rear elevation,

partly in. transverse section taken on the line .r2 x2 of F ig. 1; and`lFig` 3 is a fragmentary longitudinal central section. taken on theirregular line m3 x3 of Fig. 2.

The numeral 1 indicates a pair of large traction wheelsA journaled on acrank axle 2 having anintermediate radially oiset arch 3. A frame 4 isbalanced on the arch 3 and has on its side members a pair of dependingbearings 5, in which the arch 2 is pivitally mounted. Extending from thefront end of the frame 4, is a draft pole 6 and suspended from the rearend thereof, is aseat 7. The

frame 4 isA balanced and the axle 2 turned into diiferent angularpositions, with respect to the frame 4, for the purpose of ad.

vancing or setting backA the wheels 1 to change the elevation 'of theframe 4, by suitable connections and levers of well known arrangement,and for the purpose of this case, only a portion 'of which isillustrated. Of these connections and levers, the numeral 8 indicateslevers pivotally secured to the front end of the frame 4 and areconnected to the axle 2, on each side of the arch 3, by a pair of straps9. One of the .levers 8 and straps 9 at their pivotal connection, areconnected by a link 10 to thelower end of a hand lever 11,intermediately. fulcrumed on Specification of Letters Patent.

Patented Apr. 24, 191'?.

the arch 3. Coperating with the hand lever 11 for locking the same indierent positions, is a lock segment 12 secured to the arch 3.

Two pairs of depending hanger cranks are secured to the arch 3 and eachcomprises aiixed member '13 and a movable member 14 vhaving radialsliding movementone upon the other. ,Themembers 13 are channelsliaple incross section to slidably receive the members 14 and theinembers 13 ofeach pair have their channels turned toward each other. Each pair ofhanger crank'membcrs13 is connected by a tie'strap 15, which holds thesame into position in the members 14. integrally formed with the upperend of each of' the two other hanger crank members 13, is a sleeve 16.These sleeves 16 ,embrace the radial members of the arch 3 and arefrictionally clamped thereon p bolts 17. integrally formed with theupper end of each of the inner hanger crank members 13, is a horizontalsleeve 18, which embraces the 'horizontal portion of the arch 3 and isfrictionally clamped thereon by groimd-working tools, as shown four innumber, seton quarters and -each comprising a shovel or hoe 25, a socketmember 26 and a breaking or connecting pin 27. Those portions of theshafts 20, between the members 14, are square in cross section toslidably receive correspondingly formed hubs on the socket members 26.Set screws 28 hold the sockets 26 axially spaced on the shafts 20. Thebreaking pins 27 connect the shovels 25 with the sockets 26. Obviously,the squared interlocking engagement of, the sockets 26 with the shafts20 holds the ground-working tools for 'rotation with the shafts 20 andcircumferentially spaced thereon.

Each shaft 2O and the ground-working tools carried thereby are radiallyadjusted, with respect to theagears 23, by a pair of levers 29,'intermediately fulcruxned on lock segments 30 integrally formed, onewith each sleeve 18. The short end of each lever 29 is pivotallyconnected to the underlying 'the surface of the land in ditches,

tie strap l5 by a link 31. On each lever 29, is a latch 321:011cooperation with the respective lock segment 30. Obvionsly,bymanipulating the levers 29, the connected pairs of hanger crank members14 may be radially adjusted.

When the arch 3 is in a true vertical position, the shovels 25 enter theground to their greatest depth. If it is desirable to have theground-working tools enter the ground a less depth than that when thearch 8 is in a true vertical position, said arch may be adjusted by thelever 11 to change the angularity thereof, and thereby move the hangercranks circumferentially, as indicated by broken lines in Fig. l. Duringthe circumferential adjustments of the hanger cranks, the pinionsD 22are continuously in mesh with the gears 23. By manipulating the levers29 to slide the hanger crank members let inward on the members 13, theground-working tools may be completely Withdrawn from the ground and, atthe same time, the pinions 22 are moved out of mesh with the gears 23.

In case one of the shovels 25 should strike a stone, stump or otherobstruction, and thereby place undue strains on the cultivator, therespective pin 27 Will break to relieve the strain. Among the manyadvantages my present invention has over ordilnary cultivators, is thatinstead 'of leaving it leaves the same level, thus avoiding washingduring heavy rains. It also digs up weeds, quack grass and other noxiousgrowth and leaves the same on top of the ground, where the same 'will bekilled by the heat of the sun. Owing to the action of my improvedcultivator, thesame will not drag and scatter noxious growth over thesurface ot the ground, Where it is liable to again take root.

The above described invention, while extremely simple, can be applied tovarious different makes of cultivators with little Work.

i What I claim is 1. A wheel cultivator having a pivotally mounted crankaxle, traction wheels on the crank portions of the axle, a hangersecured to the arch of said axle for concentric movement with thetraction wheels, a ground- 'working tool carried byl the hanger, and

means for adjusting the crank axle circumferentially to vary the depthof the cut of said tool.

2. A wheel cultivator having a pivotally mounted crank axle, tractionWheels on the crank portions of the axle, a longitudinally adjustablehanger secured to the arch ot said axle for concentric movement with thctraction Wheels, a ground-Working tool carried by the hanger, and meansfor adjusting the ,crank axle eircumferentially to vary the depth of thecut of said tool.

3. A Wheel cultivator having a pivotally ,mounted crank axle, tractionwheels on the crank portions of the axle, a longitudinally adjustablehanger secured to the arch of said axle for concentric movement with thetraction Wheels, a revoluble ground-working tool carried by the hanger,means for driving said tool from one ot the traction wheels, and meansfor adjusting the crank axle circumferentially to vary the dept-h of thecut of said tool.

il. A vvheel cultivator having two pairs ot' radially extensible hangercranks, a horizontal shaft carried by each pair ot hanger cranks, aplurality et axially and circumferentially spaced grouml-wm'kin toolscarried by each of said shafts. means for independently driving saidshafts from the traction wheels, means cranks circumferentially with thetraction wheels to vary the cut of the ground-working tools, and meansfor radially adjusting the hanger cranks to independently carry theground-working tools into and out ot the ground.

5. In a wheel cultivator, the combination with a trame, ot' a crank axlehaving a radially offset intermediate portion on which said frame ispivotally mounted, a pair of traction wheels journaled on the crankaxle, a pair of hanger cranks secured to the crank axle, algrounfl-working tool carried by the hanger cranks, and means forsecuring the crank axle to the frame in diiierent angular adjustments tocirciunicrentially adjust the hanger cranks together with the tractionwheels and thereby vary the depth oi' the cut ot' the ground-workingtool.

G. ln a wheel cultivator. the combination with a frame, of a crank axlehaving a radially oilset intermediate portion on which said Jrframejspivotally mounted, a pair ot' traction wheels journaledpon the crankaxle, a pair of lradially adjustable hanger cranks secured to the crankaxle, a ground-working tool carried by the hanger crank, means forradially :u'ljusting the hanger cranks to carry said tool into and outof the ground, and means for securing the crank axle to the frame indifferent angular adjustments to circumferentially adjust the hangercranks together with the traction wheels and thereby vary the depth ofthe cut of the groundworking tool.

ln testimony whereof I allix my signature in presence of two witnesses.

CHARLES B. GARLEY.

lVilncsses: i

J'Anns A. Gauner, E. L. Srnvns'rnn.

i'or adjusting the hanger lll)

